, and alabama. the hardest hit, mobile, where a twister ripped throughthecitydowningtree, power lines and damaging more than 100 homes and businesses as well as a church and a high school. some were caught on the road when the tornado hit. >> at that poibnt, we just drov as fast as we possibly could. >> reporter: today officials assessed the damage and a cleanup began across much of the south. >> this is a dangerous situation with all the roofs off and the win did windows blown out. >> reporter: the top priority, getting power back to more than 215,000 residents across the southeast left in the dark. we temperatures expected to dip below freezing in some areas, officials say the main concern is keeping people safe. and almost 1200 flights today already have been canceled across the country and they're expecting many more delays. as a matter of fact, some airports are seeing almost four hours of delays. so they're telling people to check at the airport, check your flights before you get there. and as the storm continues to move into the northeast tonight and tomorrow, there will be mor